package com.vincent;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class TestServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    public TestServlet() {
        super();
        
    }

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		PrintWriter out = response.getWriter();
		String userid = request.getParameter("userid");
		out.println("Hello, 你好 " + ((userid == null)? request.getAttribute("userid"):userid));
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

	}

}
